Home / 29,647.62-40,843.44-20,679.30

Finding the Fourth Proportional to 29,647.62, 40,843.44 and 20,679.30

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Solution

The fourth proportional to 29,647.62, 40,843.44 and 20,679.30 is: 28,488.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,647.62 : 40,843.44 = 20,679.30 : x
  2. Step 2: Convert to fraction form
    29,647.62/40,843.44 = 20,679.30/x
  3. Step 3: Cross multiply
    29,647.62x = 40,843.44 × 20,679.30
  4. Step 4: Simplify right side
    29,647.62x = 844,613,748.79
  5. Step 5: Solve for x
    x = 844,613,748.79/29,647.62
  6. Step 6: Final answer
    x = 28,488.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.